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PDF ( 数据手册 , 数据表 ) TH7834C

零件编号 TH7834C
描述 Very High resolution Linear CCD Image Sensor
制造商 ATMEL Corporation
LOGO ATMEL Corporation LOGO 



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TH7834C 数据手册, 描述, 功能
Features
6.5 µm x 6.5 µm Photodiode Pixel, at 6.5 µm Pitch
2 x 2 Outputs
High Output Data Rate: 4 x 5 MHz
High Dynamic Range: 10000: 1
Antiblooming and Exposure Time Control
Very Low Lag
56 lead 0.6" DIL Package
Description
Atmel’s TH7834C is a linear sensor based on charge-coupled device (CCD) technol-
ogy. It can be used in a wide range of applications thanks to operating mode flexibility,
very high definition and high dynamic range (document scanning, digital photography,
Art, Industrial and Scientific Applications).
Pixel 1
mark
VOS1
VDR1
VS1
ΦR1-2
VSS
VST
ΦA1-2
VGS1-2
VS
Φ3A
Φ1A
Φ4A
Φ2A
VSS
VSS
Φ2C
Φ4C
Φ1C
Φ3C
VSS
ΦP3-4
VA3-4
ΦLS3-4
VSS
VDD3-4
VS3
VDR3
VOS3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56 VOS2
55 VDR2
54 VS2
53 VDD1-2
52 VSS
51 ΦLS1-2
50 VA1-2
49 ΦP1-2
48 VSS
47 Φ3D
46 Φ1D
45 Φ4D
44 Φ2D
43 VSS
42 VSS
41 Φ2B
40 Φ4B
39 Φ1B
38 Φ3B
37 VSS
36 VGS3-4
35 ΦA3-4
34 VST
33 VSS
32 ΦR3-4
31 VS4
30 VDR4
29 VOS4
Very High-
resolution
Linear CCD
Image Sensor
(12000 Pixels)
TH7834C
TOP VIEW
Rev. 1997A–IMAGE–05/02
1







TH7834C pdf, 数据表
Cross over of complementary clocks (ΦL1 and ΦL2) preferably at 50% of their amplitude.
Note: Generally, the difference between the floating diode level and signal level is the sum of
several signals:
• Register clock feedthrough
• Average CCD register dark signal proportional to CCD clock period, mode, temperature
• Pixel dark signal (depending upon temperature and exposure time)
• Pixel signal under illumination
Table 2.
Elements
Signals
Register Clock Feedthrough
Average CCD Register Dark Signal
Pixel Dark Signal
Pixel Signal Under Illumination
Inactive
Prescan
X
X
Dark
References
X
X
X
Isolation
Elements
X
X
Non Useful
Pixels
X
X
X
X
Useful Pixels
X
X
X
X
Table 3. Drive Clock Voltage Swings
Value
Parameter
Symbol
Logic
Min.
Typ.
Max.
Unit
High
8.5
9
11
Register Main Transport Clock(1)
ΦL1, ΦL2
Low 0
0.4 0.6
V
V
Register End Transport Clock(1)
ΦLS1-2,
ΦLS3-4
High
Low
8.5
0
9
0.2
11
0.4
V
V
Antiblooming (Low Level) And
Exposure Time Control (High Level)(1)
ΦA1-2, ΦA3-4
High
Low
9.5 10 10.5
0
To be
adjusted
V
V
Reset Clock(1)
High
10.5
11
12.5
ΦR1-2, ΦR3-4
Low 0 1.5 2
V
V
Transfer Clock(1)
High
10.5
11
11.5
ΦP1-2, ΦP3-4
Low 0
0.4 0.6
V
V
Note:
1. Transients under 0.0V in the clock pulses will lead to charge injection, causing a localized increase of the dark signal. If such
spurious negative transients are present, they can be removed by inserting a serial resistor of appropriate value (typically
20 to 100 ) at the relevant driver output.
8 TH7834C
1997A–IMAGE–05/02














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